This dictionary of current geological terms includes the latest terminology and gives over 7500 wide-ranging and concise definitions. The entries are clearly presented and cross-referenced and a bibliography of up-to-date works on all aspects of geology is provided.
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Some sample entries:
An hydrated, silicic, volcanic GLASS with curved, concentric, `onion-skin' cracks probably arising from volume changes associated with the HYDRATION. Used commercially for thermal insulation and as a rooting medium.
HYDRATION LAYER DATING
A dating method for OBSIDIAN artefacts based on the phenomenon of OBSIDIAN'S absorbing water at a rate dependent on its chemical composition and the ambient temperature.
1 The central part of the Earth extending from the GUTENBERG DISCONINUITY with the MANTLE at 2900km to the centre of the Earth at 6370km. The composition is predominantly iron and nickel, but it must contain some other element(s) to reduce the DENSITY to its known value. The outer core, from about 2900-4980km, is fluid, and the site of generation of the GEOMAGNETIC FIELD, while the inner core, below 5120km, is solid. 2 A cylindrical specimen of rock recovered by drilling.
Dr Philip Kearey is the senior lecturer in geophysics at Bristol University. He is fellow and chartered geologist of the Geological Society of London and has published numerous papers in various scientific journals. He is the editor of 'The Encyclopaedia of the Solid Earth Sciences' (1993) and co-editor of 'Global Tectonics' (1990) and 'Introduction to Geophysical Exploration.' (1991) He lives in Bristol.
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Book Description Puffin, 1996. Paperback. Book Condition: New. book. Bookseller Inventory # 0140512772
Book Description Puffin, 1996. Paperback. Book Condition: New. Bookseller Inventory # DADAX0140512772